add statistics for bottle and sleep events

app/build.gradle.kts

@@ -60,7 +60,5 @@ dependencies {
     androidTestImplementation(libs.androidx.ui.test.junit4)
     debugImplementation(libs.androidx.ui.tooling)
     debugImplementation(libs.androidx.ui.test.manifest)
-    implementation("com.github.PhilJay:MPAndroidChart:v3.1.0")
-//    implementation(libs.mpandroidchart)
-    //implementation project(':MPChartLib')
+    implementation(libs.mpandroidchart.vv310)
 }

app/src/main/java/it/danieleverducci/lunatracker/StatisticsActivity.kt

@@ -372,4 +372,4 @@ class StatisticsActivity :  AppCompatActivity() {
             return dateTime.time.time / 1000
         }
     }
-}
+}

app/src/main/res/values/arrays.xml

@@ -39,11 +39,4 @@
         <item>MONTH</item>
     </string-array>
 
-<!--
-    <string-array name="speakerphoneModeValues">
-        <item>auto</item>
-        <item>on</item>
-        <item>off</item>
-    </string-array>
--->
 </resources>